Wool and snow are examples of things that are very white. The repetition of "as white as" emphasizes that they were very white. (See: [[rc://en/ta/man/translate/figs-simile]] and [[rc://en/ta/man/translate/figs-doublet]])
His eyes are described as being full of light like a flame of fire. Alternate translation: "his eyes were glowing like a flame of fire" (See: [[rc://en/ta/man/translate/figs-simile]])